Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_chunked_filter_module.c @ 633:f971949ffb58 release-0.3.38
nginx-0.3.38-RELEASE import
*) Feature: the ngx_http_dav_module.
*) Change: the ngx_http_perl_module optimizations.
Thanks to Sergey Skvortsov.
*) Feature: the ngx_http_perl_module supports the $r->request_body_file
method.
*) Feature: the "client_body_in_file_only" directive.
*) Workaround: now on disk overflow nginx tries to write access logs
once a second only.
Thanks to Anton Yuzhaninov and Maxim Dounin.
*) Bugfix: now the "limit_rate" directive more precisely limits rate if
rate is more than 100 Kbyte/s.
Thanks to ForJest.
*) Bugfix: now the IMAP/POP3 proxy escapes the "\r" and "\n" symbols in
login and password to pass authorization server.
Thanks to Maxim Dounin.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 14 Apr 2006 09:53:38 +0000 |
parents | 65bf042c0b4f |
children | 63a820b0bc6c |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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10 |
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12 static ngx_int_t ngx_http_chunked_filter_init(ngx_cycle_t *cycle); |
99
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13 |
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14 |
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15 static ngx_http_module_t ngx_http_chunked_filter_module_ctx = { |
509 | 16 NULL, /* preconfiguration */ |
17 NULL, /* postconfiguration */ | |
177
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18 |
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19 NULL, /* create main configuration */ |
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20 NULL, /* init main configuration */ |
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21 |
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22 NULL, /* create server configuration */ |
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23 NULL, /* merge server configuration */ |
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24 |
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25 NULL, /* create location configuration */ |
629 | 26 NULL /* merge location configuration */ |
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27 }; |
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28 |
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29 |
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30 ngx_module_t ngx_http_chunked_filter_module = { |
509 | 31 NGX_MODULE_V1, |
99
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32 &ngx_http_chunked_filter_module_ctx, /* module context */ |
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33 NULL, /* module directives */ |
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34 NGX_HTTP_MODULE, /* module type */ |
541 | 35 NULL, /* init master */ |
110
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36 ngx_http_chunked_filter_init, /* init module */ |
541 | 37 NULL, /* init process */ |
38 NULL, /* init thread */ | |
39 NULL, /* exit thread */ | |
40 NULL, /* exit process */ | |
41 NULL, /* exit master */ | |
42 NGX_MODULE_V1_PADDING | |
99
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43 }; |
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44 |
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45 |
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46 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
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47 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
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48 |
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49 |
501 | 50 static ngx_int_t |
51 ngx_http_chunked_header_filter(ngx_http_request_t *r) | |
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52 { |
615 | 53 if (r->headers_out.status == NGX_HTTP_NOT_MODIFIED |
54 || r->headers_out.status == NGX_HTTP_NO_CONTENT | |
633 | 55 || r->headers_out.status == NGX_HTTP_CREATED |
615 | 56 || r != r->main) |
57 { | |
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58 return ngx_http_next_header_filter(r); |
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59 } |
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60 |
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61 if (r->headers_out.content_length_n == -1) { |
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62 if (r->http_version < NGX_HTTP_VERSION_11) { |
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63 r->keepalive = 0; |
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64 |
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65 } else { |
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66 r->chunked = 1; |
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67 } |
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68 } |
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69 |
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70 return ngx_http_next_header_filter(r); |
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71 } |
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72 |
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73 |
501 | 74 static ngx_int_t |
75 ngx_http_chunked_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
99
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76 { |
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77 u_char *chunk; |
473 | 78 off_t size; |
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79 ngx_buf_t *b; |
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80 ngx_chain_t out, tail, *cl, *tl, **ll; |
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81 |
483 | 82 if (in == NULL || !r->chunked || r->header_only) { |
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83 return ngx_http_next_body_filter(r, in); |
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84 } |
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85 |
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86 out.buf = NULL; |
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87 ll = &out.next; |
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88 |
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89 size = 0; |
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90 cl = in; |
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91 |
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92 for ( ;; ) { |
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93 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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94 "http chunk: %d", ngx_buf_size(cl->buf)); |
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95 |
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96 size += ngx_buf_size(cl->buf); |
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97 |
452 | 98 if (cl->buf->flush || ngx_buf_in_memory(cl->buf) || cl->buf->in_file) { |
461 | 99 |
501 | 100 tl = ngx_alloc_chain_link(r->pool); |
101 if (tl == NULL) { | |
461 | 102 return NGX_ERROR; |
103 } | |
104 | |
452 | 105 tl->buf = cl->buf; |
106 *ll = tl; | |
107 ll = &tl->next; | |
108 } | |
99
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109 |
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110 if (cl->next == NULL) { |
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111 break; |
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112 } |
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113 |
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114 cl = cl->next; |
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115 } |
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116 |
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117 if (size) { |
501 | 118 b = ngx_calloc_buf(r->pool); |
119 if (b == NULL) { | |
455 | 120 return NGX_ERROR; |
121 } | |
122 | |
501 | 123 /* the "0000000000000000" is 64-bit hexadimal string */ |
124 | |
473 | 125 chunk = ngx_palloc(r->pool, sizeof("0000000000000000" CRLF) - 1); |
126 if (chunk == NULL) { | |
455 | 127 return NGX_ERROR; |
128 } | |
129 | |
130 b->temporary = 1; | |
131 b->pos = chunk; | |
473 | 132 b->last = ngx_sprintf(chunk, "%xO" CRLF, size); |
455 | 133 |
134 out.buf = b; | |
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135 } |
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136 |
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137 if (cl->buf->last_buf) { |
501 | 138 b = ngx_calloc_buf(r->pool); |
139 if (b == NULL) { | |
461 | 140 return NGX_ERROR; |
141 } | |
142 | |
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143 b->memory = 1; |
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144 b->last_buf = 1; |
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145 b->pos = (u_char *) CRLF "0" CRLF CRLF; |
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146 b->last = b->pos + 7; |
99
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147 |
343
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148 cl->buf->last_buf = 0; |
336
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nginx-0.0.3-2004-05-18-19:29:08 import
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149 |
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150 if (size == 0) { |
343
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151 b->pos += 2; |
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nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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152 out.buf = b; |
337
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153 out.next = NULL; |
336
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154 |
337
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nginx-0.0.3-2004-05-19-00:28:54 import
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155 return ngx_http_next_body_filter(r, &out); |
336
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156 } |
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nginx-0.0.3-2004-05-18-19:29:08 import
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parents:
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157 |
99
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158 } else { |
336
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nginx-0.0.3-2004-05-18-19:29:08 import
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159 if (size == 0) { |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
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160 *ll = NULL; |
337
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161 return ngx_http_next_body_filter(r, out.next); |
336
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162 } |
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163 |
501 | 164 b = ngx_calloc_buf(r->pool); |
165 if (b == NULL) { | |
461 | 166 return NGX_ERROR; |
167 } | |
168 | |
343
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169 b->memory = 1; |
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nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents:
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170 b->pos = (u_char *) CRLF; |
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nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents:
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171 b->last = b->pos + 2; |
99
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parents:
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172 } |
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nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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173 |
343
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nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents:
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174 tail.buf = b; |
337
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nginx-0.0.3-2004-05-19-00:28:54 import
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175 tail.next = NULL; |
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nginx-0.0.3-2004-05-19-00:28:54 import
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176 *ll = &tail; |
99
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parents:
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177 |
337
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nginx-0.0.3-2004-05-19-00:28:54 import
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178 return ngx_http_next_body_filter(r, &out); |
99
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parents:
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179 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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180 |
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nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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181 |
501 | 182 static ngx_int_t |
183 ngx_http_chunked_filter_init(ngx_cycle_t *cycle) | |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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184 { |
155
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nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
153
diff
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185 ngx_http_next_header_filter = ngx_http_top_header_filter; |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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186 ngx_http_top_header_filter = ngx_http_chunked_header_filter; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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187 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
153
diff
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188 ngx_http_next_body_filter = ngx_http_top_body_filter; |
99
a059e1aa65d4
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parents:
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189 ngx_http_top_body_filter = ngx_http_chunked_body_filter; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
190 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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191 return NGX_OK; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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192 } |